If the difference between the compound interest and the simple interest on a certain sum at the rate of 5% per annum for 2 years is â‚¹ 20/-, then the sum is

• ₹ 2,000

• ₹ 4,000

• ₹ 6,000

• ₹ 8,000

72.

Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.

If the pass marks in maths is 31, the number of students who failed in maths is

• 10

• 15

• 20

• 25

Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.

Total number of students in the class is:

• 120

• 125

• 130

• 135

Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.

The percentage of number of passed students is (31 is the pass marks):

Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.

If the students have got the marks out of 50 and if A+ grade has been declared for above 90%, then the number of students who have got A+ grade is

• 10

• 20

• 30

• 40