Quantitative Aptitude - Arithmetic Ability Questions

The mean of marks secured by 60 students in division A of class X is 64, 40 students of division B is 60 and that of 60 students of division C is 58. Find the mean of marks of the students of three divisions of Class X.

ΔABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?

If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°⩽θ≤90°)

The average revenues of 7 consecutive years of a company is Rs 79 lakhs. If the average of first 4 years is Rs 74 lakhs and that of last 4 years is Rs 86 lakhs, what is the revenue for the 4th year?

Find the odd numbers/letters/numbers from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

Identify the odd one out from the following:

What is the least number that when divided by 63 and 105 leaves remainder 4 in each case?