(Sample Material) IBPS Clerk Study Kit "Numerical Ability - Percentage"

Sample Materials of IBPS Clerk Study Kit

Subject: Numerical Ability

Topic: Percentage

Q.1 In an examination of n questions, a student answered 15 out of the first 20 questions correctly. Of the remaining questions, he answered one-third correctly. All the questions have the same credit. If the student gets 50% marks, the value of n is:

(1) 30

(2) 67

(3) 50

(4) 82

(5) None of these

Q.2 The salaries of A and B together amount to Rs. 2000. A spends 95% of his salary and B, 85% of his. If now, their savings are the same, what is A’s salary?

(1) Rs. 850

(2) Rs. 1350

(3) Rs. 1500

(4) Rs. 1800

(5) None of these

Q.3 A’s marks in Biology are 20 less than 25% of the total marks obtained by him in Biology, Maths and Drawing. If his marks in Drawing be 50, what are his marks in Maths?

(1) 60

(2) 47

(3) 63

(4) Cannot be determined

(5) None of these

Q.4 The price of a book is first increased by 10% and then decreased by 5%, then the net change in the price will be

(1) 4.2% increase

(2) 4.5% increase

(3) 4.2% decrease

(4) 4.5% decrease

(5) None of these

Q.5 What per cent decrease in salaries would exactly cancel out the 25% increase?