Question
A chemist prepared 60 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
P Q 15 5 12 7 3 ATQ- (7+3) =10=60 1=6 Quantity of P =7×6=42gram
612, 487,?, 396, 388, 387
Find the missing number in the given number series.
1, 2, 6, 24, 120, ?What will come in place of the question mark (?) in the following series?
36, 85, ?, 230, 330, 451
Find the missing term in the series:
2, 5, 11, 23, 47, ?
What will come in place of the question mark (?) in the following series?
400, 841, 1202, ?, 1716, 1885
44 45 41 50 ? 59 23
...221, 100, 0, -81, ?
...900 90 18 ? 2.16 1.08
16, 20, 11, 27, ?, 38
37, 57, 82, ?, 147, 187