Plzzz tell me some questions of class 10 Maths becoz tomorrow is my exam?!!!!! Plzzz its urgentttt?!!! ❤❤❤
should i post on the comments
Answers
1.An express train makes a run of 240 Km at a certain speed. Another train whose speed is 12 Km/h less takes an hour longer to cover the same distance. Find the speed of express train in Km/h.
2.The sum S of first n natural numbers is given by S = n[ (n + 1)/2] . Find n, if the sum is 351.
3.The 24th term of an AP is twice its 10th term. Prove that the 72nd term is twice its 34th term.
4.A person on tour has Rs 360 for his daily expenses. If he exceeds his tour by 4 days, he must cut down his daily expenses by Rs 3 per day. Find the number of days of his tour.
5.Find x such that (8x + 4), (6x – 2), (2x + 7) are in A.P
6.A lot consists of 48 mobiles phones of which 42 are good, 3 have only minor defects and 3 have major defects. Kirti will buy a phone if it is good but the trader will only buy a mobile if it has no major defect. One phone is selected at random from the lot. W hat is the probability that it is
(i)Acceptable to Kirti ?
(ii) Acceptable to the trader ?
7.Express 107 in the form of 4q + 3 for some positive integer.
8.if the mid-point of the line joining (3,4) and (k,7) is ( x,y) and 2x + 2y + 1 = 0. Find the value of K.
9.Write one rational and one irrational number lying between 0.25 and 0.32.
10.Prove that the points P (a, b + c), Q (b, c + a) and R(c, a + b) are collinear.