Question
A car covers four successive 3 km stretches at speeds of
10 km/h, 20 km/h, 30 km/h and 60 km/h, respectively. Its average speed over this distance is:Solution
The correct answer is C
What is the smallest number greater than 1000 that when divided by any one of the numbers 6, 9, 12, 15, 18 leaves a remainder of 3?
How many 3-digit natural numbers (without repetition of digits) are there such that each digit is odd and the number is divisible by 5?
A boy plays with a ball and he drops it from a height of 1-5 m. Every time the ball hits the ground, it bounces back to attain a height 4/5th of the pr...
When a certain number is multiplied by 7, the product entirely comprises ones only (1111…..). What is the smallest such number ?
An Identity Card has the number ABCDEFG, not necessarily in that order, where each letter represents a distinct digit (1, 2, 4, 5, 7, 8, 9 only). The n...
X and Y run a 3 km race along a circular course of length 300 m. Their speeds are in the ratio 3:2. If they start together in the same direction, how m...
Consider the following statements in respect of two natural numbers p and q such that p is a prime number and q is a composite number :
1. p �...
A bill for ₹1,840 is paid in the denominations of ₹50, ₹20 and ₹10 notes. 50 notes in all are used. Consider the following statements:
In a class. 60% of students are from India and 50% of the students are girls. If 30% of the Indian students' are girls, then what percentage of foreign...
There are 6 persons arranged in a row. Another person has to shake hands with 3 of them so that he should not shake hands with two consecutive persons....
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