|
31.
|
What
is the last digit of the number 3579+ 1?
|
View Answer With Explanation
32.A
3-digit number 4a3 is added to another 3-digit number 984 to give the
four-digit number 13b7, which is divisible by 11. Then, (a + b) is :
[A]
10
[C]
12
[B]
11
[D]
15
33.In
a pair of fractions, fractions A is twice the fraction B and the product of two
fractions is 2/25. What is the value of fraction A?
A. 1/5
B. 1/25
C. 2/5 D.
Data inadequate
|
34.
|
If x
and y are any natural numbers, then which of the following is an odd number ?
|
|
A.
|
xy+yx+(x−y)(xy+x)
|
|
B.
|
xy(x+y)(xy+x)
|
|
C.
|
yx(xy–y)(xy−x)
|
|
D.
|
None
of these
|
View Answer With Explanation
35.A
number was divided successively in order by 4, 5 and 6. The remainders were
respectively 2, 3 and 4. The number is:
[A]
214
[C]
954
[B]
476
[D]
1908
36.The
sum of the digits of a two-digit number is 15 and the difference between the
digits is 3. What is the two-digit number?
A. 69 B. 78
C. 96 D. Cannot be determined
E. None of these
|
37.
|
A
and B are playing mathematical puzzles. A asks B "which whole numbers,
greater than one, can divide all the nine three digit numbers
111,222,333,444,555,666, 777,888 and 999?" B immediately gave the
desired answer. It was
|
|
A.
|
3,
37 and 119
|
|
B.
|
3,
37 and 111
|
|
C.
|
9,
37 and 111
|
|
D.
|
3, 9
and 37
|
View Answer With Explanation
38.In the following sum, "?" stands
for which digit?
? + 1? + 2? + ?3 +?1 = 21?
[A] 4
[C] 8
[B] 6
[D] 9
39.The difference between two numbers is
1356. When the larger number is divided by the smaller one, the quotient is 6
and the remainder is 15. The smaller number is
A. 240 B.
270
C.
295 D. 360
|
40.
|
Two
prime numbers A,B(A<B) are called twin primes if they differ by 2 (e.g.
11,13,or 41,43....)If A and B are twin primes with B>23, then which of the
following numbers would always divide A+B?
|
|
A.
|
12
|
|
B.
|
8
|
|
C.
|
24
|
|
D.
|
None
of these
|
View Answer With Explanation
