Quantitative Aptitude - Arithmetic Ability Questions

What is the value of √[(1 - sinA)/(1 + sinA)]?

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?

If sum of the roots of a quadratic equation is ­-7 and product of the roots is 12. Find the quadratic equation.

ABCD is a parallelogram in which AB = 7 cm, BC = 9 cm and AC = 8 cm. What is the length (in cm) of other diagonal?

An hour-long test has 60 problems. If a student completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

The mid points of AB and AC of the Δ ABC are P and Q respectively. If PQ = 6 cm, then the side BC is

Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?