Find the value of √49 x √25
A) 7
B) 5
C) 35
D) 13
47. Find the square root of 5625
A) 55
B) 65
C) 75
D) 45
48. Without adding, find the sum (1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17)
A) 64
B) 81
C) 36
D) 49
49. Write the unit digit of square of 799
A) 1
B) 2
C) 9
D) 3
50. Find the square root of 441
A) 11
B) 21
C) 31
D) 41
Answers
Answered by
3
46. 35
47. The square root of 5,625 is 75.
48. 121 = 1+3+5+7+9+11+13+15+17+19+21. Thus , 121 is a perfact square. Since, 55 cannot be expressed as the sum of successive old numbers starting from 1.
49.Unit digit of square of 799 will be 1.
50.The square root of 441 is 21.
Answered by
1
Answer:
46) C) 35
47) C) 75
48) B) 81
49) A) 1
50) B) 21
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