#### A person borrows Rs 20000 at the rate of 6 percent per annum on simple interest for 3 years. He immediately lends it to another person at the rate of 8.5% percent per annum on simple interest for 3 years. what is the value of gain per year?

OPTIONS A) Rs 200 B) Rs 800 C) Rs 500 D) Rs 1500 detailed solution Amount 20000Interest 6 %duration 3 yearsFormula PTR/100on substitution 20000X6X3/100answer 3600Amount 20000Interest 8.5%duration 3 yearsFormula PTR/100on…

#### If a+b =6 and ab =4 then what is the value of a3 + b3.

Option A) 120 B) 125 C) 144 D) 81 Detailed solution We know that a+b=6 and ab=4. Using (a+b)2 = a2 + b2 + 2ab a2 + b2 = (a+b)2…

#### The market price of an item was Rs 480 but shopkeeper offered discounts of 5%. At what price does he finally sell the item.

Options A) 456 B) 466 C) 435 D) 450 Detailed solutions 480 rs ------ 100 % _______------ 5% 5x480/100 = 24 Market price 480 After 5 % discount is 480-24…

#### The cost price of 44 items is the same as the selling price of x items. If the profit is 10%, then what is the value of x?

Options A) 55 B) 60 C) 50 D) 40 Detailed solution If the total profit on selling of x article is 10% then total selling price % is (100% +…

#### The average marks obtained by 80 students in an examination is 50. If the average marks of passed students is 55 and the number of students who failed with examination are 30, then what is the average marks of students who failed the examination?

options A) 41.66 B) 52.33 C) 46.66 D) 40.33 SOLUTION TOTAL STUDENTS = 80 Average marks obtained by 80 students in an examination is 50 = 80X50 = 4000 Is…

#### A train starts from a place S at 10.00 am and arrives at another phase T at 2.30 pm on the same day. If the speed of the train is 40m/s then what will be the distance covered by the train?

Options A) 706 B) 648 C) 726 D) 616 Solution Train starts from place S, 10 Am Stops at T at 2.30 Am Total time taken from 10Am to 2.30…

#### To complete a wall, X takes 50 % more time than Y. If together they complete the wall in 15 days, then how much time will X alone takes to complete it

options A) 42.5 Days B) 40 Days C) 36.5 Days D) 37.5 Days Detailed solution Lets take it as 100, then X = 150 Y = 100 X/Y = 150/100…

#### What is the sum of two digit number which are divisible by 9

Options A) 535 B) 565 C) 475 D) 585 Solution Easy method The two digit natural numbers which are divisible by 9 are It's two digit number which means cannot…