Question
Harry paid a total of Rs. 800 for a set of different
mock tests. How many of the mock tests cost Rs. 40? I. Each Mock Test costs either 25 or 40 II. More than 4 Mock Tests cost Rs. 40Solution
From I, we get Let number of mock tests for Rs. 25 be x And number of mock tests for Rs. 40 be y Then, 25x + 40 y = 800 5x + 8y = 160 X = 32 - 8y/5 Since x is the number of mock tests for Rs. 25, it has to be a positive integer Thus, y can take the values 0, 5, 10, 15, 20 According to statement II, more than 4 mock Tests cost Rs. 40. Values of y more than 4 are: 5,10,15 and 20. Thus, we cannot find out the exact number of mock tests costing Rs. 40.
The East-West corridor, which is a part of the Golden Quadrilateral super highways, links which two cities of India from the following?
What does the EcoMark label signify on products in India? Â
Consider the following statements and choose the correct statement(s) from the following:
1. The UDAN scheme has completed five years since its i...
In September 2022, the ____________ Assembly sets aside one day for women MLAs to speak about women issues such as safety, health, hygiene and education .
Consider the following statements:
Statement I:
In India, Central Government determines the inflation target, in consultation with Re...
Match the following –
When is a startup company considered a unicorn?
Which of the following is not a member country of SAARC?
What was India’s rank in the Steel Production in 2022?
Which organization implemented the floating solar power plant in Ramagundam, Telangana?