पासा पलटना - स्थिति उलट जाना, जोड़-तोड़ करना–दाँव-पेंच युक्त उपाय करना टस से मस न होना— विचलित न होना , ठिकाने लगाना-मार डालना
Find the equation of the line passing through the point (3, 4) and having a slope of 2.
An investor deposits ₹50,000 in a bank that offers a simple interest rate of 8% per annum. How much interest will the investor earn after 3 years, and...
A cone has a slant height of 20 cm and the radius of its base is 15 cm. Find the volume of the cone
When x is added to each of 9, 15, 21 and 31, the numbers so obtained are in proportion. What is the mean proportional between the numbers (3x-2) and (5x...
A car covers a distance of 450 km at a constant speed. If the car’s speed had been 15 km/h faster, it would have taken 1 hour less to cover the same d...
How many chairs must be sold for Rs. 25,600 to achieve a 25% profit, given that 50 chairs were originally purchased for the same amount?
A shopkeeper mixes two varieties of tea, one costing ₹300 per kg and the other ₹450 per kg, in the ratio 5:3. He sells the mixture at ₹400 per kg....
Find the area of a figure consisting of a rectangle with length 8 cm and width 5 cm, and a semicircle with a diameter equal to the width of the rectangl...
The sum of the interior angles of a polygon with n sides is 1800°. Find the value of n.
A group of 30 students has an average score of 60 in an exam. If 5 more students join the group and their average score is 70, find the new average scor...