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14 questions
generalised form of a two digit number 5x is ________
5 + x
50 + (x × 10)
5 × 10 + x
x × 10 + 5
The generalised form of abcd is _________
a + b + c + d
(a + b + c+ d ) × ( 1000 + 100)
a + b × 100 + c × 10 + d
a × 1000 + b × 100 + c × 10 + d
What is the usual form of p × 10 + q × 1000?
q0p
q0p0
pq
p0q
What is the smallest value of x in '230x' to make it divisible by 4?
8
4
2
0
What is the least value of y in '23y02' to make it divisible by 3?
1
2
3
6
What is the smallest value of m in '530m' to make it divisible by 6?
2
0
6
4
If x210y is divisible by 9 then what is the sum of x and y?
3
6
9
2
If a02b1c is a 6-digit number that is divisible by 3 then the least possible value of a + b + c is _________.
0
3
6
9
If 4x01y is divisible by 5, 10 and 9 then the value of x is ______.
0
2
5
4
Find A:- (41A + 1A4) = 591
7
5
4
8
What is the value of Q in (1Q × Q) = 7Q?
6
5
3
4
(3Q + 25) = P2, Find P + Q.
9
11
21
13
34A + 3AB = C29, then (A + B - C) = ________.
1
0
2
3
Find x in '19x' so that 19x is the greatest 3-digit number and a common multiple of 3 and 5.
0
2
5
3
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