CTET Solved Paper - REET Feburary 2016
86. (256)0.16 X (16)0.18 will be equal to
- Option : A
- Explanation : (256)0.16 X (16)0.18
= (162)0.16 X (16)0.18
= 160.32 X (16)0.18
= 160.50
= 4(2 X 1/2)
= 4.
88. The least number which is a perfect square and is also divisible by 10, 12, 15 and 18 is
- Option : D
- Explanation : LCM of (10,12,15,18) =180
Nearest perfect square divisible by 10,12,15, and 18 = 900.
- Option : C
- Explanation : Let the numbers be 3x and 4x
and LCM of (3x and 4x) = 84
=> 12x = 84
=> x = 7
So, numbers are 21 and 28.
Larger number =28.
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