Quantitative Aptitude - Arithmetic Ability Questions

Δ DEF is right angled at E. If m∠F = 45, then what is the value of Sin F x Tan F?

If one more cobbler is hired the output of a shoe making unit will increase from 50 pairs of shoes to 55 pairs per day, but then the shoe making unit will have to reduce the price of a pair of shoes from Rs 3200 to Rs 3000 per pair to sell the additional output, the marginal revenue product of the last cobbler is

If 5 sec θ – 3 tan θ = 5, then what is the value of 5 tan θ – 3 sec θ?

If a2+b2=80 and ab = 32, then calculate the value of a-b/a+b.

If A has got 20% more marks than B, then by what percent marks of B are less than the marks of A?

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

The average revenues of 9 consecutive years of a company is Rs 80 lakhs. If the average of first 5 years is Rs 75 lakhs and that of last 5 years is Rs 87 lakhs, find the revenue for the 5th year.

Find the remainder in the expression 550×651×6627?