Question
Find the greatest number of 4 digits divisible by 15,
25, 40 and 75.Solution
The greatest number of 4 digits is 9999. LCM of 15, 25, 40, and 75 is 600. On dividing 9999 by 600, the remainder is 399. Then, Required number (9999 - 399) = 9600.
A woman is 4 times as old as her daughter. In 8 years, the woman will be twice as old as her daughter. What are their current ages?
Find the simplified value of the following expression:
(16.25 × 24 + 7 × √36) ÷ 23 + 3.75 × 16 – 37 × 2 + 7.5
...{14.13 x 28.84 - 39.95% of 420.09 + 128.89} = ?
A shopkeeper sells the Pen at the discount of 30% on its marked price while he gets the profit of 40% on cost price of the pen. A pen marked at Rs.18 is...
The profit earned by selling a shirt for ₹500 is equal to the loss incurred by selling it for ₹400. Find the cost price of the shirt.
If the homogeneous system of equations
x + y + z = 0
2x + 3y + 4z = 0
has a non-trivial solution, then the value of k is:
3x + 5y + kz = 0
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y and choose the...
Find the simplified value of the given expression:
(5 + 13 of 7 - 5.25 of 8 + 63) ÷ 18
If Aman and Bhanu together earn Rs. ___ per month, and their incomes increase by 25% and 12.5% respectively, Bhanu's new income b...
The total teachers in D are what percent less than the total teachers in B and C together?
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