The average age of the students of a class is 22 years. 12 new students with an average age of 17 years join the class, thereby decreasing the average by 2 years. The original strength of the Class was?

Directions: What should come in place of the question mark (?) in the following questions?

9067 + 2065 - 8500 + 2048 = ?

Directions: What should come in place of the question mark (?) in the following questions?

450% of ? ÷ 45 - 428 = 195

Quantitative Aptitude:

There are two numbers such that the sum of twice the first number and thrice the second number is 150 and the sum of thrice of first number and twice the second number is 170. what is the greater number?

Quantitative Aptitude:

The ratio of the present age of Deepak and Shalini is 14:20 respectively. Six years ago the respective ratio of their ages was 11:17, what will be the respective ratio of their ages four years hence?

Quantitative Aptitude:

In an Examination 52% of the students failed in Hindi, 42% in Science and 17% in both the exams. Find the percentage of those who passed in both subjects?

Quantitative Aptitude:

A and B together can complete a work in 3 days. They start together. But, after 2 days, B left the work. If the work is completed after 2 more days, B alone could do the work in?

Quantitative Aptitude:

Product of two co-prime numbers is 117. Then their L.C.M. is?

Quantitative Aptitude:

The numerator of a fraction is 4 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 1, then the denominator becomes eight times the numerator. Find the fraction?

Quantitative Aptitude:

A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speeds is?

Quantitative Aptitude:

The simple interest on ₹ 4,000 in 3 years at the rate of x% per annum equals the simple interest on ₹ 5,000 at the rate of 12% per annum in 2 years. The value of x is?