Question
A chemist prepared 50 grams of a medicine by mixing two
ingredients P and 'Q, Rate of 'P' is ₹150 per 10 gm and that of 'Q' is ₹ 500 per 100 gm. 'P' and 'Q are mixed in such a way that the cost of the resulting medicine is ₹12 per gm. What is the quantity of 'P' (in grams) in the medicine?Solution
Solution-
P Q
15 5
12
7 3
ATQ-
(7+3) =10=50
1=5
Quantity of P =7×5=35 gram
What will come in place of the question mark (?) in the following series?
?, 65, 37, 73, 29, 81
What will come in place of the question mark (?) in the following series?
77, 198, 342, 511, 707, ?
15, 23, 30, 36, 41, ?
What will come in place of the question mark (?) in the following series?
1458, ?, 162, 54, 18, 6
14, 17, 23, 32, ?, 59
60, 100, 160, 240, ?, 460
69, 35.5, 39.5, 68.25, 152.5, ?
66, 17, 81, ?, 100, -21
1, 7, 37, 187, 937, ?
612, 487,?, 396, 388, 387