4,45,368,2583,15504, ? | कक्षा 14 | शृंखला | गणित | संशय

In each of the following questions, a sequence of groups of letters and number is given with one term missing as shown by (?). Choose the missing term out of the given alternatives. 2Z5, 7Y7, 14X9, 23W11, 34V13, ? 1) 27U24 2) 47U15 3) 45U15 4) 47V14 5) None of these

If A={1,4, 7,8}, B={4,6,8,9} and C={3,4,5, 7} be three subsets of a universal set U ={1,2, 3, 4,5, 6, 7,8, 9} . Then, A uu (Bnn C') is equal to

A sum amounts to Rs 14,395.20 at 9.25% p.a. simple interest in 5.4 years. What will be the simple interest on the same sum at 8.6% p.a. in 4.5 years? कोई राशि 5.4 वर्षों में 9.25% प्रति वर्ष साधारण ब्याज की दर से 14,395 रुपये हो जाती है | इसी राशि पर 4.5 वर्षों में 8.6% प्रति वर्ष की दर से साधारण ब्याज ज्ञात करें |

The set of natural numbers is divided into array of rows and columns in the form of matrices as A_(1)=[1], A_(2)=[(2,3),(4,5)], A_(3)=[(6,7,8),(9,10,11),(12,13,14)] and so on. Let the trace of A_(10) be lambda . Find unit digit of lambda ?

Let A = {1,2,3},B={4,5} and let f={(1,4),(2,5),(3,5)} . Show that 'f' is an onto function from A to B

The four points whose co-ordinates are (2,1),(1,4),(4,5),(5,2) form: (A)a rectangle which is not a square (B) a trapezium which is not a parallelogram(C) a square (D) a rhombus which is not a square.

If mean and variance of 7 variates are 8 and 16 respectively and five of them are 2,4,10,12,14 then find the product of remaining two variates (A) 49(B)48 (C) 45 (D) 40

.Write the following numbers into ascending order (i) "12.6,3.75,0.254,3.245],[" (ii) "4.263,3.04,3.14,3.24],[" 30.Write the following numbers into descending order: (i) "13.5,4.8,8.15,2.45],[" (ii) "4.15,4.25,4.35,4.37]