A boy was asked to multiply a number by 22. He instead multiplied the number by 44 and got the answer 308 more than the correct answer. What was the number to be multiplied?
Let the number be x
22x + 308 = 44x
=> 44x - 22x = 308
=> 22x = 308
=> x = 308/22 = 154/11 = 14
|
If a - b = 6 and a2 + b2 = 116, then what is the value of ab? |
Answer |
|
How many pieces of 85 cm length can be cut from a rod of 42.5 meters long? |
Answer |
|
In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 80 questions and secures 120 marks, How many questions does he answer correctly? |
Answer |
|
A sum of Rs. 1360 has been divided among A, B and C such that A gets $ \dfrac{2}{3} $ of what B gets and B gets $ \dfrac{1}{4} $ of what C gets. Bs share is: |
Answer |
|
In a garden, 26 trees are planted at equal distances along a yard 300 metres long, one tree being at each end of the yard. What is the distance between two consecutive trees? |
Answer |
|
If a - b= 3 and a2 + b2 = 29, find the value of ab. |
Answer |
|
There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is: |
Answer |
|
In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ? |
Answer |
|
8 / 4 / 2 = ? |
Answer |
|
A boy was asked to multiply a number by 22. He instead multiplied the number by 44 and got the answer 308 more than the correct answer. What was the number to be multiplied? |
Answer |