Instructions

Study the following bar graph carefully to answer the questions.

Question 141

Marks obtained by S in Chemistry is what per cent of the total marks obtained by all the students in Chemistry ?

Question 142

If the marks obtained by T in Physics were increased by 14% of the original marks, what would be his new approximate percentage in Physics if the maximum marks In Physics were 140?

Question 143

Fill in the blank space in order to make the sentence correct as per the given information. Total marks obtained by T in both the subjects together is more than the marks obtained by -

Question 144

What is the respective ratio between the total marks obtained by P in Physics and Chemistry together to the total marks obtained by T in Physics and Chemistry together ?

Question 145

What is the respective ratio between the total marks obtained by Q and S together in Chemistry to the total marks obtained by P and R together in Physics ?

Instructions

For the following questions answer them individually

Question 146

Meera purchased 23 bracelets at the rate of Rs. 160 per bracelet. At what rate per bracelet should she sell the bracelets so that profit earned is 15% ?

Question 147

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 Rs. 5,540, what is Kajalâ€™s monthly income

Question 148

35 per cent of a number is two times 75 per cent of another number. What is the ratio between the first and the second numbers respectively ?

Question 149

Area of a rectangular field is 3584 mÂ² and the length and the breadth are in the ratio 7 : 2 respectively. What is the perimeter of the rectangle ?

Question 150

Last year there were 610 boys in a school. The number decreased by 20 percent this year. How many girls are there in the school if the number of girls is 175 percent of the total number of boys in the school this year ?