Quantitative Aptitude - Arithmetic Ability Questions

Find the sum of first 8 odd prime numbers.

32% of a number is 80. What is the number?

If the length of the shadow of a vertical pole on the horizontal ground is √3 times its height, then the angle of elevation

What is the obtuse angle formed by the hands of a clock when the time in the clock is 2:30?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A 25m long ladder is rested on a wall. The foot of the ladder is 7m away from the wall. If the end of the ladder (resting on the wall) slides down 4m, then how far will its foot move away?

From the top of a platform 7 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 50√3 m away from the tower, how tall was the tower?