(-20) × (-5) is equal to

• 100

• – 100

• 20

• 5

Which of the following is not an equiva-lent fraction of 3/5 ?

• 6/10

• 9/15

• 12/20

• 15/24

The marks of some students are as given below:

30, 31, 32, 32, 33, 32, 34, 35, 30, 31, 33, 32

The mode of their marks is

• 30

• 31

• 32

• 33

The sum of three times x and 10 is 13.

• 3x + 10 = 13

• 3x – 10 = 13

• 3x + 13 = 10

• None of these

The measure of the angle which is equal to its supplement is

• 30°

• 45°

• 90°

• 60°

The measure of each angle of an equilateral triangle is

• 30°

• 45°

• 90°

• 60°

If ∆ ABC = ∆ PQR, then ∠A corresponds to

• ∠P

• ∠Q

• ∠R

• none of these

The ratio of Rs 10 to 50 paise is

• 20 : 1

• 10 : 1

• 5 : 1

• 1 : 20

The rational number 12/40 in standard form is

• 3/10

• 6/10

• 3/20

• 6/20

the criterion of construction of the equilateral triangle LMN given LM = 6 cm is

• S.A.S. criterion

• R.H.S. criterion

• A.S.A. criterion

• S.S.S. criterion