RRB Group-D 28th Sep 2018-shift -2
For the following questions answer them individually
The mean of the 8 smallest numbers from a group is 17, while the mean of all the numbers of the group taken together is 20. If the mean of the numbers leaving the smallest eight out is 22, how many numbers were present in the group in all?
A jeweller made a piece of uniquely designed diamond necklace and the selling price was fixed at ₹ 10,00,000. In making this piece, on the raw material, the jeweller had invested ₹ 3,00,000 and had paid a labour charge of ₹ 2,00,000. If 20% of the raw material cost was of gold, what is the actual amount the jeweller had spent in procuring the gold?
Complete the number series by choosing the missing. terms from the options.
11, 20, 27, 36, 43, ?, ?, 68, 75
The sum of all interior angles of a polygon is 1260°. Find the number of sides of the polygon.
As of August 2018, what is the portfolio held by the current Union Minister Smriti Irani?
A and B together can complete a task in 1.2 days. However, if A works alone, completes half the job and leaves and then B works alone and completes the rest of the work, it takes 2.5 days in all to complete the work. If B is more efficient than A, how many days would it have taken B to do the work by herself?
In a shopping mall, a handbag was sold for ₹ 2990 after giving a discount of Polo. If the marked price of the handbag was ₹ 4600, find the value of P?
