Mathematical Ability - Number System
Exam Duration: 45 Mins Total Questions : 20
Find Q in the addition.
- (a)
6
- (b)
8
- (c)
9
- (d)
3
Find the digits A and B.
- (a)
2,5
- (b)
5,2
- (c)
2,2
- (d)
5,5
Which one of the following will divide (325 + 326 + 327 + 328) completely?
- (a)
11
- (b)
16
- (c)
25
- (d)
30
(12 - 22 + 32 - 42 + 52 - 62 + ... + 92 -102) = ?
- (a)
45
- (b)
-45
- (c)
-54
- (d)
-55
Which of the following fractions is less than \(\frac{7}{8}\) and greater than \(\frac{1}{3}\)?
- (a)
\(\frac{1}{4}\)
- (b)
\(\frac{23}{24}\)
- (c)
\(\frac{11}{12}\)
- (d)
\(\frac{17}{24}\)
If n is a natural number, then the largest number dividing (n3 - n) is:
- (a)
2
- (b)
3
- (c)
6
- (d)
12
Which temperature is warmer -3°C or 0°C?
- (a)
0°
- (b)
-3°
- (c)
both (a) and (b)
- (d)
none of these
If 21y5 is a multiple of 9, where y is a digit, what is the value of y?
- (a)
0
- (b)
2
- (c)
1
- (d)
3
The sum of two rational numbers is \(\frac{-1}{3}\). If one of the numbers is 7/8, find the other.
- (a)
\(-\frac{29}{24}\)
- (b)
\(-\frac{29}{25}\)
- (c)
\(\frac{29}{25}\)
- (d)
\(\frac{29}{-25}\)
The product of two numbers is 9905847. If one of the numbers is 483, find the other number.
- (a)
20590
- (b)
20509
- (c)
20500
- (d)
25101
In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, the dividend is:
- (a)
4236
- (b)
4306
- (c)
4336
- (d)
5336
The largest four digit number exactly divisible by each of 12, 15, 18 and 27 is:
- (a)
9660
- (b)
9720
- (c)
9930
- (d)
9960
Which of the following numbers are divisible by 9?
- (a)
5016
- (b)
7954
- (c)
61853
- (d)
53024
The number 2272 and 875 are divided by a three-digit number N, giving the same remainder. The sum of the digits of N is:
- (a)
10
- (b)
11
- (c)
12
- (d)
13
The number (6n2 + 6n) for natural number n is always divisible by:
- (a)
6 only
- (b)
6 and 12
- (c)
12 only
- (d)
18 only
When 2525 is divided by 26, the remainder is:
- (a)
1
- (b)
2
- (c)
24
- (d)
25
A common factor of (4743 + 4343) and (4747 + 4347) is:
- (a)
(47 - 43)
- (b)
(47 + 43)
- (c)
(4743 + 4343)
- (d)
none of these
Evaluate: 0.54 x 0.54 - 0.46 x 0.46.
- (a)
0.8
- (b)
.8
- (c)
0.08
- (d)
8.08
By how much is \(\frac{3}{4}\)th of 52 lesser than \(\frac{2}{3}\)rd of 99?
- (a)
27
- (b)
33
- (c)
39
- (d)
66
In a division sum, the remainder is 6 and the divisor is 5 times the quotient and is obtained by adding 2 to the thrice of the remainder. The dividend is:
- (a)
40
- (b)
42
- (c)
80
- (d)
86