Quantitative Aptitude - Arithmetic Ability Questions

If 4x - 5y = -37 and 7x + y = -16, then x - y = ______

An exterior angle of a triangle is 115 deg and one of the interior opposite angle is 45 deg. Then the other two angles are

A sum fetched a total simple interest of Rs. 7728 at the rate of 7% per year in 8 years. What is the sum?

The total surface area of a hemisphere is 166.32 sq cm, find its radius?

If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives

Which of the following equations has real and distinct roots?

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?