Quantitative Aptitude - Arithmetic Ability Questions

√[(1 ­ sinA)/(1 + sinA)] is equal to?

What is the value of cos (90 – B) sin (C – A) + sin (90 + A) cos (B + C) – sin (90 – C) cos (A + B)?

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔADE is 4 sq cm, what is the area (in sq cm) of quadrilateral BDEC.

Wheat costing Rs 30/kg, Rs 35/kg and a third variety of wheat are mixed in the ratio of 3 : 4 : 2. If the mixture is costs Rs 34/kg, then what will be the cost (in Rs/kg) of the third variety of wheat?

The simplified value of 3-212-18 - 13 × 27 - 12 x 273 is closest to

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?

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