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What will come in the place of the question mark ‘?’ in the following question?
253 × 43 × √810000 = ?2
What approximate value should come in the place of question mark ‘?’ in the following question? (You are not expected to calculate the exact value)
(269.88 ÷ 29.11 × 512 ÷ 31.75)0.5 =?
4 litres of milk is removed from a 40 litre container of milk and it is then replaced with 4 litres of water. This procedure is repeated two more times. How much milk is now present in the container?
The sum of three consecutive odd numbers is 38 more than the average of these numbers. The second number is
Rakesh thinks to make 48% profit after allowing a discount of 60% on the marked price, cost price of an article has to be increased by how much percentage?
In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 per kg?
Kamal can do a work in 20 days. Bimal is 20% more efficient than Kamal. Suresh is 25% more efficient than Bimal. The number of days, Suresh will take to do the same piece of work, is
1 metre broad pathway is to be constructed inside the boundary of a rectangular plot. The area of the plot is 114 sq. m. the cost of construction is Rs. 50 per sq. metre. Then find the total cost of production.
The distance between two stations ‘P’ and ‘Q’ is 138 km. A train starts from ‘P’ towards ‘Q’ and another from ‘Q’ to ‘P’ at the same time and they meet after 6 hours. The train travelling from ‘P’ to ‘Q’ is slower by 7 km/h compared to other train from ‘Q’ to ‘P’. What is the speed of the slower train?
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