Q.20 Find the standard deviation of the following data (rounded off to two decimal places).5, 3, 4, 7Ans 1. 3.212. 2.453. 4.124. 1.48Correct Ans Provided: 4

Q.16 What is the compound interest on a sum of ₹25,000 after three years at a rate of 12 per cent per annum interest compounded yearly?Ans 1. ₹9,824.002. ₹10,520.003. ₹10,123.204. ₹9,956.86Correct Ans Provided: 3

Q.6 Rewa has some hens and some goats. If the total number of animal heads is 100 and the total number of animal feet is 348, then what is the total number of goats with Rewa?Ans 1. 802. ...

Q.11 The median of the following data will be _________.32, 25,33,27, 35, 29 and 30Ans 1. 322. 273. 294. 30Correct Ans Provided: 4

Q.9 Products pass successively through the hands of three traders and each of them sells his goods at a profit of 30% of his cost price. If the last trader sold the products for Rs.300, then how much ...

Q.21 The cost of 3 kg of rice is ₹180. The cost of 8 kg of rice is equal to that of 5 kg of pulse. The cost of 15 kg of pulses is equal to that of ...

Q.30 What is the ratio of the simple interest earned on a certain amount at the rate of 21% per annum for 8 years to that earned on the same sum at the same rate for 21 years?

Q.17 Select the INCORRECT formula from the following options.Ans 1.2.3.4.Correct Ans Provided: 3

Q.25 The ratio of marks obtained by Rajesh, Rakesh and Ramesh in an exam is 2 : 4 : 9. What are the marks obtained by Rakesh and Ramesh, if Rajesh scored 30 marks in the exam?Ans 1. ...

Q.28 The average of 20 numbers is 32. If two numbers are 29 and 31, then what is the average of the remaining numbers (correct up to two decimals)?Ans 1. 34.442. 32.223. 30.224. 31.24Correct Ans Provided: 2