Question

The value of the following expression is:
a)55

b)45

c)35

d)65

Q7. The square root of 36/5 when corrected to two decimal places is



a)2.68

b)2.69

c)2.66

d)2.67

The smallest square number divisible by each one of the numbers 10, 16 and 24 is:



a)1600

b)2500

c)3600

d)4900

Q9. The Pythagorean triplet having 5 as the smallest number is:

a)5,9,10

b)5,6,7

c)5,12,13

d)5,15,20

The least number that should be added to 6200 to make it a perfect square is:



a)78

b)79

c)116

d)41


​

Answer 1

Answer:

45

Step-by-step explanation:

117*117-108*108 = 45