A student was asked to find $\frac{7}{8}$ of a positive number. He found $\frac{7}{18}$ of the same by mistake.If his answer was 770 less than the correct one, then the original number was
For aiming at a target, a person gets one rupee each time when he hits it and loses one rupee when he misses it. If he gets ₹ 30 after aiming at the target one hundred times, then how many times did he miss the target?
In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. A student attempted all the 200 questions and scored in all 200 marks. The number of questions he answered correctly was
An employee claims $₹ 7$ for each $k m$ when he travels by taxi and $₹ 6$ for each $k m$ if he drives his own car. If in one week he claimed ₹ 675 for travelling 90 km , how many km did he travel by taxi?
On a school's Annual Day sweets were to be equally distributed amongst 112 children. But on that particular day, 32 children were absent. Thus the remaining children got 6 extra sweets each. How many sweets was each child originally supposed to get?
A sum of ₹ 1000 is to be divided among three boys-Rahul, Sumit and Gaurav such that Rahul receive twice as much as Sumit, who receives one-fifth as much as Gaurav. How much money does Gaurav receive?
In a classroom, there are certain number of benches. If 6 students are made to sit on a bench, then to accommodate all of them, one more bench is needed. If 7 students are made to sit on a bench, then after accommodating all of them, space for 5 students is left. What is the total number of students in the school?
The present ages of three persons are in the proportion $4: 7: 9$. Eight years ago, the sum of their ages was 56 years. The present age of the eldest person is
The age of a mother today is thrice that of her daughter. After 12 years, the age of the mother will be twice that of her daughter. The present age of the daughter is
Kavita went to market to buy some grocery items. She had some 50 -rupee notes and some 100 -rupee notes in her purse. The number of 100 -rupee notes was twice the number of 50 -rupee notes. The total money she had was ₹ 750 . The total number of notes she had in her purse was:
Tomy, the dog, Tuffy, the puppy, are mother and son respectively. Tuffy is now the same age as that Tomy was four years ago. Four yeas ago, Tuffy was half his mother's age. Tomy is now 12 years old. The present age of Tuffy is:
If 5 less than $\frac{1}{3}$ of a number is same as $\frac{5}{4}$ less than four times of the same number. 6 more than $\frac{11}{15}$ of the same number is:
The ones digit of a number is equal to twice the difference between the digits. The square of this number is divided by half the number. Then 36 is added to quotient and the sum so obtained is divided by 2 . The digits of the number so obtained are the same as those in the original number, but in reverse order. The original number is: