It takes 2 hours for Tiwari and Deo to do a job. Hari takes 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?

The area of the shaded region in cm² is

The angles of a right-handed triangle shaped garden are in arithmetic progression and the smallest side is 10.00m. The total length of the fencing of the garden in m is

AB is the diameter of the semicircle as shown in the diagram. If AQ = 2 AP then which of the following is correct?

The rabbit population in community A increases at 25% per year while that in B increases at 50% per year. If the present populations of A and B are equal, the ratio of the number of the rabbits in B to that in A after 2 years will be

The houses of three sisters lie in the same row, but the middle sister does not live in the middle house. In the morning, the shadow of the eldest sister’s house falls on the youngest sister’s house. What can be concluded for sure?

A woman starts shopping with Rs. X and Y paise, spends Rs. 3.50 and is left with Rs. 2Y and 2X paise. The amount she started with is

A mine supplies 10000 tons of copper ore,containing an average of 1.5 wt% copper, to a smelter every day. The smelter extracts 80% of the copper from the ore on the same day. What is the production of copper in tons/ day?

Wheat production of a country over a number of years is shown. Which year recorded highest per cent reduction in production over the previous year?

Which of the following numbers is the largest?

The cube ABCDEFGH in the figure has each edge equal to . The area of the triangle with vertices at A, C and F is

What is the number of distinct arrangements of the letters of the word UGCCSIR so that U and I cannot come together?

Suppose the sum of the seven positive numbers is 21. What is the minimum possible value of the average of the squares of these numbers?

What is the angle between the minute and hour hands if a clock at 7:35?

A stream of ants go from point A to point B and return to A along the same path. All the ants move at a constant speed and from any given point 2 ants pass per second one way. It takes 1 minute for an ant to go from A to B. How many returning ants will an ant meet in its journey from A to B?

A large tank filled with water is to be emptied by removing half of the water present in it everyday. After how many days will there be closest to 10% water left in the tank?

A cart wheel rolls along a straight line. If the distance covered is equal to the diameter of the wheel. What is the angle through which the wheel has turned?

In a class of 10 students, 3 failed in History, 6 failed in Geography and 2 failed in both. How many passed in both the subjects?

Helium and argon gases in two separate containers are at the same temperature and so have different root-mean-square (r.m.s.) velocities. The two are mixed in a third container keeping the same temperature. The r.m.s. velocity of the helium atoms in the mixture is

On a certain night the moon in its waning phase was a half-moon. At midnight the moon will be 

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

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?

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?

“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:

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?

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 following table shows the price of diamond crystals of a particular quality



What will be the price (in lakh Rs) of a 2.5 carat diamond crystal?

How many digits are there in 2¹⁷ X 3² X 5¹⁴ X 7 ?

A man on the equator moves along 0° longitude up to 45°  N. He then turns east and moves up to 90° E, and returns to the equator along 90° E. the distance covered in multiples of Earth’s radius R is

We define a function f(N)= sum of digits of N, expressed as decimal number. E.g. f(137)=1+3+7=11 Evaluate f(2⁷ 3⁵5⁶). 

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