daily maths questions/solution||other facts

lucknow, india
Joined May 2016
X^3=512 X^2+Y^2=144 Y^3=?
12
3
557
12=96 13=91 14=84 15=75 16= ??
27
1
13
1,200
(X+8)(X-8)=36 X=?
35
2
13
4,563
If n is an odd integer , then n^2-1 is always divisible by 8 . (A) true (B) false
22
1
1
38
13,205
40 percent of a number is 72. What is 25 percent of the same number?
33
1
10
989
Which is greater? (A) (2)^1/2/2 (B) 2/(2)^1/2
93
7
29
4,254
(x-1)/(x+1)=1/2 x=?
29
2
23
2,419
Calculate the area of shaded region??
40
4
33
2,785
Find the missing number? 2,6,16,31,56,?
9
1
6
927
Which number is divisible by both 12 and 15 ? (A) 132 (B) 135 (C) 150 (D) 180
80
4
31
1,157
Find missing side ?
56
4
25
2,397
A+B=15 A-B=5 A/B = ?
217
6
3
57
4,151
(X^2-17)^1/2=8 X=?
77
4
37
1,273
(9^x-3^x)/3^x=8 x=?
37
1
13
1,864