30 questions found · showing 20
Consider the following:
Weight of 6 boys = Weight of 7 girls = Weight of 3 men = Weight of 4 women
If the average weight of the women is 63 kg, then what is the average weight of the boys?
Consider the following statements in respect of the sum S = x + y + z, where x, y and z are distinct prime numbers each less than 10:
Which of the statements given above are correct?
On January 1st, 2023, a person saved ₹1. On January 2nd, 2023, he saved ₹2 more than that on the previous day. On January 3rd, 2023, he saved ₹2 more than that on the previous day and so on. At the end of which date was his total savings a perfect square as well a perfect cube?
Consider the following:
Which of the above are correct?
P's salary is 20% lower than Q's salary which is 20% lower than R's salary. By how much percent is R's salary more than P's salary?
421 and 427, when divided by the same number, leave the same remainder 1. How many numbers can be used as the divisor in order to get the same remainder 1?
How many times do the hour hand and the minute hand coincide in a clock between 10:00 a.m. and 2:00 p.m. (same day)?
A certain number of men can complete a piece of work in 5k days, where k is a natural number. By what percent should the number of men be increased so that the work can be completed in 5k days?
(Note: The question as printed asks about completing the work in 5k days — the intended reading is likely completing it in fewer days, specifically 4k days, based on answer options.)
Two persons P and Q enter into a business. P puts ₹14,000 more than Q, but P has invested for 8 months and Q has invested for 10 months. If P's share is ₹400 more than Q's share out of the total profit of ₹2,000, what is the capital contributed by P?
222³³³ + 333²²² is divisible by which of the following numbers?
A father said to his son, 'n years back I was as old as you are now. My present age is four times your age n years back'. If the sum of the present ages of the father and the son is 130 years, what is the difference of their ages?
A number is mistakenly divided by 4 instead of multiplying by 4. What is the percentage change in the result due to this mistake?
What is the rightmost digit preceding the zeros in the value of 30¹⁰⁰?
Let X be a two-digit number and Y be another two-digit number formed by interchanging the digits of X. If (X + Y) is the greatest two-digit number, then what is the number of possible values of X?
How many consecutive zeros are there at the end of the integer expressed in the product 1² × 2⁴ × 3⁶ × 4⁸ × … × 25⁵⁰?
A can X contains 399 litres of petrol and a can Y contains 532 litres of diesel. They are to be bottled in bottles of equal size so that whole of petrol and diesel would be separately bottled. The bottle capacity in terms of litres is an integer. How many different bottle sizes are possible?
In the expression 5 * 4 + 3 * 2 + 1, * is chosen from +, −, × each at most two times. What is the smallest non-negative value of the expression?
X, Y and Z can complete a piece of work individually in 6 hours, 8 hours and 8 hours respectively. However, only one person at a time can work in each hour and nobody can work for two consecutive hours. All are engaged to finish the work. What is the minimum amount of time that they will take to finish the work?
What percent of water must be mixed with honey so as to gain 20% by selling the mixture at the cost price of honey?
In an examination, 80% of students passed in English, 70% of students passed in Hindi and 15% failed in both subjects. What is the percentage of students who failed in only one subject?
