- Formula:
Total worth in cents =
10 cents x z coins + 5 cents x
(z - 3 coins)
coin coin
Total worth of coins = 10z + 5 (z - 3)
=
10z + 5z - 15
=
15z - 15
=
15 (z - 1)
Ans : C
-
Since the exact mode of intersection is not given,
all three options are possible.
Ans : C
-
Weight of the heaviest object :
500 grams
Weight of the lightest object :
25 grams
Ratio =
=
20
Ans : D
-
(A) 55 ´
55 ´ 555
- 1678875
(B) 5 ´
5 ´ 55
´ 555
- 763125
(C) 55 ´
55 ´ 55
- 166375
(D) 5 ´ 5
´ 5 ´
5 ´ 5 ´
5 - 15625
(which is the least)
(E) 5 ´
55 ´ 555
- 152625
Ans : D
-
The following integer pairs satisfy the equation
(4,3), (8,6), (12,9), (16,12), (20,15), .......and so on.
Ans : A
-
4x
+ y = 24
If x = 5 and
y = 4
4x
+ y = 24
\
I is satisfied
If x = 2 and
y is a multiple of 4
4x +
y = 24
\
III is satisfied
Ans : C