# Math Puzzle 3

This math puzzle 3 is on LCM,Wages,numbers.**1) There are 40 coins in a bag, consisting of $ 5 and $ 2 coins. If the total amount is Rs. 140, how many $ 2 and $ 5 coins are there in the bag?**

(1) 20 each (2) 25 and 15 (3) 30 and 10 (4) 22 and 18

**2) Four years ago, the average age of A and B was 18 years. At present the average age of A, Band C is 24 years. What would be the age of C after 8 years?**

(1) 30 years (2) 36 years (3) 28 years (4) 25 years

**3) The marks obtained by 10 students in Science (out of 50) are 30, 41, 40, 41, 30, 41, 30, 28, 41, 40. The modal mark is:**

(1) 40 (2) 30 (3) 41 (4) 35

**4) 6, 18, 24, 9, 27, 33, 11?, ?**

(1) 15, 19 (2) 22, 27 (3) 33, 39 (4) 44, 47

**5) The area of the base of a right cone is 154 m**

308 m

^{2}and its volume is308 m

^{3}. The height of the cone is:(1) 8 m (2) 6 m (3) 7 m (4) 9 m

**6) The L.C.M. of two numbers is 12 times their H.C.F.. The sum of the H.C.F. and L.C.M. is 403. If one number is 93, then the other number is:**

(1)134 (2) 124 (3) 128 (4) 310

**7) The wages of 10 workers for a six-day week is Rs. 1200. What are the one day’s wages of 4 workers?**

(1) $ 40 (2)$ 32 (3)$ 80 (4)$ 24

**8) All natural numbers and 0 are called the _______ numbers.**

(1) whole (2) prime (3) integer (4) rational

**9) X gives ½ of his property to his wife and ½ of the rest of his son. The remainder is divided equally to his two daughters. The share of each daughter is:**

(1) 1/8 (2) 1/6 (3) ¼ (4) 2/3

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