Quantitative Ap...

In a class there is 39 students, the average weight decreases by 4 kg, when a new students is joining the class. If the average weight of students is 64 kg. What is the weight of new student?

In a college election, two candidates A and B contested. If in the election 30% votes were declared invalid and A got 1000 votes more than B. Calculate the total votes in the election if votes received by A is 1375.

I. x³ = 8

II. y² = 4

I. x² - 3x + 2 = 0

II. y² = 1

I.$x^{\frac{5}{2}}=\sqrt{243}$

II.$2y^{\frac{3}{2}}=\sqrt{256}$

I: x² – 2x – 35 = 0

II: 2y² + 72y + 70 = 0

The difference between simple interest and compound interest on a certain sum of money for 2 years at 8% per annum is Rs 120. Find the sum.

4, 5, 4, 9, ?, 52, 155

A number is increased by 84, it becomes 107% of itself. What is the number?

14, 14, 28, 84, 336, ?