Question

2. (A) Solve any three of the following sub-questions :
(1) Subtract : 59.12 -- 39.67
(2) Which of the following numbers are prime numbers?
27. 37. 47.57.67.77, 87.97.
(3) An office is open from 8 a.m. to 4:30 p.m. For how many hours is it open?
(4) How much wire will be required to put a fence around a square garden of side
15 inetres?
(5) If a school uniform of a student of Std. V requires 3 m 75 cm of cloth, how much cloth
will be required for three such uniforins?​

Answer 1

Answer:

Answer no 1 = 19.45

Answer no 2 = 37 , 47 , 57 , 67 , 87 , 97

Answer no 3 = 8 hours 30 minutes