13 -21 , 34-55, 89-144
13-34=-21 34-89=-55 89-233=-144
15 29 56 108 208 400
Kajal spends 55% of her monthly income on grocery, clothes and education in the ratio of 4:2:5 respectively. If the amount spent on clothes is INR 5540/-, what is Kajal’s monthly income
Pipe A and B can fill a tank in 10 hours and 8 hours respectively. After certain time, pipe A was closed. It took a total of 6 hours to fill the tank completely. For how many hours did pipe A work
A shopkeeper brought a table marked at INR 200/- at successive discount of 10% and 15% respectively. He spent INR 7/- on transport and sold the table for INR 208/-, What will be his profit percentage
The average height of 16 students in a class is 142 cm. If the height of the teacher is added the average increases by 1 cm. What is the height of the teacher in cm