21^2=21×21=441
25% of 300 =?
=25/100*300
=25*3
=75
Add the middle with the smallest and then divide by the third number (2, 14, 4).
14: Middle number
2: smallest number
4: third number
14 + 2 = 16
16/4 = 4
= √(25^-1)÷ √(100^-1)
=(0.2)/(0.1)
= 2
***
ND17-1-2023
*****
ND1-1-2023
69^2=4761
According to the order of operations (PEMDAS),
multiplication is done before addition,
3 x 4 = 12
7 + 12 = 19
1083+84= 1167
******
RY 31-12-2022
Let Speed of the man is x kmph.
Distance covered in 10 minutes at 20 kmph = distance covered in 8 minutes at (20 + x) kmph.
Or, 20×1060=860×(20+x)
Or, 200 = 160 + 8x
Or, 8x = 40
Hence, x = 5kmph
