The cost of 2 mouse and 3 keyboard is Rs.150 and that of 3 mouse and 2 keyboard is Rs.120. Find the cost of 5 mouse and 2 keyboard?
Let cost of a mouse and a keyboard be x & y respectively. As per the question, 2x + 3y = 150 3x + 2y = 120 Solving the equation, For x and y, x = Rs. 12 & y = Rs. 42 Cost of 5 mouse and 2 keyboard = 5x + 2y = 5 × 12 + 2 × 42 = Rs.144
What is the average of first 28 multiples of 2.8?
Manas ordered 6 Levis jeans and some additional Blackberry jeans. The price of one Levis jeans was twice that of one Blackberry jeans. When the order wa...
When a number is increased by 8, it becomes 120% of itself. The number is:
A number when divided by 315 leaves remainder 46 and the value of quotient is 7. Find the number.
How many times I write digit ‘1’ in first hundred natural numbers?
One-fifth of the attendees at an international banquet were French men. If the number of French women at the banquet was 2/3 more than the number of Fre...
When a number is increased by 20% then the number obtained is 72 less than thrice the original number. Find the original number.
Sum of squares of three consecutive numbers is 1325. Find the sum of first and third number.
A shopkeeper has milk of 3 different qualities. The first quality is 621 liters, the second quality is 644 liters, and the third quality is 690 liters...
