It takes 2 hours for Tiwari and Deo to do a job. Hari take 3 hours to do the same job. Deo and Hari take 6 hours to do the same job. Which of the following statements is incorrect?

Abdul travels thrice the distance Catherine travels, which is also twice the distance that Binoy travels. Catherine’s speed is 1/3 of Abdul’s speed, which is also ½ of Binoy’s speed. If they start at the same time then who reaches first?

For a certain regular solid: number of faces + number of vertices = number of edges + 2. For three such distinct (not touching each other) objects, what is the total value of faces + vertices – edges?

What will be the next figure in the following sequence?

A, B, C, D are points on a circle with AB = 5 cm, BC = 12 cm, AC = 13 cm and AD = 7 cm. Then, the closest approximation of CD is:

Choose the four digit number, in which the product of the first & fourth digits is 40 and the product of the middle digits is 28. The thousands digit is as much less than the unit digit as the hundreds digit is less than the tens digits.

Equilateral triangles are drawn one inside the other as shown. What is the ratio of the two shaded areas?

A frog hops and lands exactly 1 meter away at a time. What is the least number of hops required to reach a point 10 cm away?

A train running at 36 km/h crosses a mark on the platform in 8 sec and takes 20 sec to cross the platform. What is the length of the platform?

When a polynomial f(x) is divided by it leaves a remainder of 1. Which of the following would be the polynomial?

“The clue is hidden in this statement”, read the note handed to Sherlock by Moriarty who hid the stolen treasure in one of the ten pillars. Which pillar is it?

Suppose three meetings of a group of professors were arranged in Mumbai, Delhi and Chennai. Each professor of the group attended exactly two meetings, 21 professors attended Mumbai meeting and 30 attended Chennai meeting. How many of them attended both the Chennai and Delhi meetings?

The probability that a ticketless traveller is caught during a trip is 0.1. if the traveller makes 4 trips, the probability that he/she will be caught during at least one of the trips is :

The minimum number of straight lines required to connect the nine points above without lifting the pen or retracting is:

How many digits are there in  when it is expressed in the decimal form?

A circle drawn in the x-y coordinate plane passes through the origin and has chords of lengths 8 units and 7 units on the x and y axes, respectively. The coordinates of its centre are:

There is an inner circle and an outer circle around a square. What is the ratio of the area of the outer circle to that of the inner circle?

The base diameter of a glass is 20% smaller than the diameter at the rim. The glass is filled to half the height. The ratio of empty to filled volume of the glass is:

A wheel barrow with unit spacing between its wheels is pushed along a semi-circular path of mean radius 10. The difference between distances covered by the inner and outer wheels is

Write d = 1 degree, r = 1 radian and g = 1 grad. Then which of the following is true? (100 grad = 1 right angle)

In each of the following groups of words is a hidden number, based on which you should arrange them in ascending order. Pick the right answer:
1.Tinsel event
2.Man in England
3.Good height
4.Last encounter

Let m and n be two positive integers such that m + n + mn = 118. Then the value of m + n is:

AB is the diameter of a circle. The chord CD is perpendicular to AB intersecting it at P. If CP = 2 and PB = 1, the radius of the circle is:

What is angle  in the schematic diagram given below?

From a group of 40 players, a cricket team of 11 players is chosen. Then, one of the eleven is chosen as the captain of the team. The total number of ways this can be done is below means the number of ways n objects can be chosen from m objects

Starting from a point A you fly one mile south, then one mile east, then one mile north which brings you back to point A. Point A is NOT the north pole. Which of the following MUST be true?

A 3 m long car goes past a 4m long truck at rest on the road. The speed of the car is 7m/s. The time taken to go past is:

Jar W contains 40 white marbles and jar B contains 40 black marbles. Ten black marbles from B are transferred to W and mixed thoroughly. Now, ten randomly selected marbles from W are put back in Jar B to make 40 marbles in each jar. The number of black marbles in W:

Consider 3 parallel strips of 10 m width running around the Earth, parallel to the equator,  at the equator,  at the Tropic of Cancer and  at the Arctic Circle. The order of the areas of the strips is:

If aN⇒S eF⇒1gH M then ns⇒S?

We define a function f(N)= sum of digits of N, expressed as decimal number. E.g. 

Every month the price of a particular commodity falls in this order:1024, 640, 400, 250 …
What is the next value?

A cubical piece of wood was filed to make it into the largest possible sphere. What fraction of the original volume was removed?

Three volumes of a Hindi book, identical in shape and size, are next to each other in a shelf, all upright, so that their spines are visible, left to right: I, II and III. A worm starts eating from the outside front cover of volume I, and eats its way horizontally to the outside back cover of volume III. What is the distance travelled by the worm, if each volume is 6 cm thick?

A 2.2 m wide rectangular steel plate is corrugated as shown in the diagram. Each corrugation is a semi-circle in cross-section having a diameter of 7cm. What will be the width of steel sheet after it is corrugated ?

Ajay, Bunty, Chinu and Deb were agent, baker, compounder and designer, but not necessarily in that order. Deb told the baker that Chinu is on his way. Ajay is sitting across the designer and next to the compounder. The designer didn’t say anything. What is each person’s occupation?

Two platforms are separated horizontally by distance A and vertically by distance B. They are to be connected by a staircase having identical steps. If the minimum permissible step length is a, and the maximum permissible step height is b, the number of steps the staircase can have is

The sum of first n natural numbers with one of them missed is 42. What is the number that was missed?

A mouse has to go from point A to B without retracing any part of the path, and never moving backwards. What is the total number of distinct paths that the mouse may take to go from A to B?

A certain day, which is x days before 17^th August, is such that 50 days prior to that day, it was 4x days since March 30^th of the same year. What is x?

Marks obtained by two students S1 and S2 in a four semester course are plotted in the following graph Which of the following statements are true ?
 

The price of 349 coconuts is Rs.2094. What will be the price of 26 dozens of coconuts?

How many digits are there in 2¹⁷ X 3² X 5¹⁷ X 7?

A man on the equator moves along  longitude up to 45  N. He then turns east and moves up to E, and returns to the equator along E. the distance covered in multiples of Earth’s radius R is

On a semi-circle of diameter 10m drawn on a horizontal ground are standing 4 boys A, B, C and D with distances AB = BC = CD. The length of the line segment joining A and B is

What is the next number in the following sequence?2, 3, 5, 6, 3, 4, 7, 12, 4, 5, 9…

The following sum is1 + 1 – 2 + 3 – 4 + 5 – 6 … - 20=?

You are given 100 verbs using which you have to form sentences containing at least one verb, without repeating the verbs, under the condition that the number of verbs (from this set of 100) in any two sentences should not be equal. The maximum number of sentences you can form is

A 4x4 magic square is given below.

How many 2x2  squares are there in it whose elements add up to 34?

To go from the engine to the last coach of his train of length 200 m, a man jumped from his train to another train moving on a parallel track in the opposite direction, waited till the last coach of his original train appeared and then jumped back. In how much time did he reach the last coach if the speed of the each train was 60 km/hr?