06/09/2022
Q1 What is the H.C.F. of 4/9, 10/21 and 20/63?
1. 4/189
2. 6/63
3. 2/63
4. 20/21
5. None of these
Q.2. The HCF of two numbers is 29 & their sum is 174. The possible numbers are
1. 1,174
2. 74,100
3. 29, 154
4. 29, 145
5. None of these
Q.3. Find the side of the largest square slab which can be paved on the floor of a room 5 meters 44cm long and 3 meters 74 cm broad.
1. 56 cm
2. 42 cm
3. 38 cm
4. 34 cm
5. 48 cm
Q4. The least perfect square number which is divisible by 3, 4, 5, 6 and 8 is
1. 900
2. 1200
3. 2500
4. 3600
5. 1600
Q.5. The product of two numbers is 6760 and their H.C.F. is 13. How many such pairs can be formed?
1. 0
2. 3
3. 4
4. 1
5. 2