105) A bag contains three types of coins i.e. one rupee coins, 50 paisa coins and 25 paisa coins totalling 175 coins. If the total value of the coins of each kind be the same, the total amount in the bag is
Answer is:
Rs. 75
Related RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key
Answer is:
15 years
Explanation:
Increase in sum of age during 3 years = 3 x 5 years
= 15 years
So , the difference between ages of old and new member is 15 years
Answer is:
125
Explanation:
x = 4y
So
4y×y=2500
4y^2=2500
y^2=(2500/4)=625
y=(square root of 625)=25
Thus x is (25×4)=100
Hence
x + y = (100 + 25) = 125
Answer is:
10 years
Explanation:
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.
∴ (2x + 2) + 2x + x = 27
⇒ 5x = 25
⇒ x = 5.
Hence, B's age = 2x = 10 years.