How many natural numbers between 15 and 85 are divisible by 7?
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In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.
20 x 12 ÷ 3 - 40 + 12 = ?
A Lawn roller makes 20 revolutions in one hour. The radius it runs through 25 minutes is
If Reena sold 12 mobile phones for Rs. 1,88,160 which cost Rs. 14,056 per phone, what was the total profit made by her?
Who appoints the chairman of all the parliamentary committees of Lok Sabha?
Which type of epithelium is removed with a buccal swab?
The stratified squamous epithelial cells or the outer layer of epidermis is removed with a buccal swab.
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If 5Δ1 = 40, 9Δ9 = 0 and 7Δ1 = 60, then find the value of 4Δ9 = ?
What sum will produce the same interest in 9 years at the rate 8% simple interest as Rs. 800 producein 3 years at 9/2% per annum?