252 m of pant cloth and 141 m of shirt cloth are available in a cloth store. To stitch one pant and one shirt, 221 m and 143 m of cloth are needed respectively. Then the approximate number of pants and shirts that can be made out of it are :
A number consists of two digits such that the digit in the ten's place is less by 2 than the digit in the unit place. Three times the number added to 76 times the number obtained by reversing digits equals 108. The sum of digits in the number is -
The sum of the numerator and denominator of a positive fraction is 11. If 2 is added to both numerator and denominator, the fraction is increased by 241. The difference of numerator and denominator of the fraction is -
In an examination, a student scores 4 marks for every correct answer and losses 1 mark for every wrong answer. A student attempted all the 200 questions and scored 200 marks. The number of questions, he answered correctly was -