A Man Saves Rs 200 In Each Of The First Three Months Of His Service In Each Of The Subsequent Months
(1) 19 months (2) 20 months (3) 21 months (4) 18 months Solution: Saving for first 3 months = 3×200... View Article
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Let A1 A2 A3 A100 Be An Arithmetic Progression With A1 Eq 3 And Sp Eq Sigma 1 To P For Any Integer N With 1 Let M Eq 5n If Sm By Sn Does Not Depend On N Then A2 Is
(1) 9 (2) 2 or 4 (3) 4 or 16 (4) None of these Solution: Sum of n terms of... View Article
In A Triangle The Lengths Of Two Larger Sides Are 10 Cm And 9 Cm If The Angles Of The Triangle Are In Ap Then The Length Of The Third Side Is
(1) v5 – v6 (2) v5 + v6 (3) v5 ± v6 (4) 5 ± v6 Solution: Let x-d, x,... View Article
Let Alpha And Beta Are The Roots Of The Equation Px2 Plus Qx Plus R Equal 0 P Not Eq 0 If P Q And R Are In Ap Then The Value Of
(1) v61/9 (2) 2v17/9 (3) v34/9 (4) 2v13/9 Solution: Given a and ß be the roots of the equation px2... View Article
The Sequence Log A Log A2 By B Log A3 By B2 Is
(1) GP (2) AP (3) HP (4) GP and HP Solution: log a, log a2/b, log a3/b2,… Let x =... View Article
The Four Arithmetic Means Between 3 And 23 Are
(1) 5,9,11,13 (2) 7,11,15,19 (3) 5,11,15,22 (4) 7,15,19,21 Solution: Let a+d, a+2d, a+3d and a+4d be the four arithmetic means... View Article
If A B C D E F Are In Ap Then The Value Of E C Will Be
(1) 2(c – a) (2) 2(f – d) (3) 2(d – c) (4) d – c Solution: Given a, b,... View Article
Three Numbers Are In Ap Whose Sum Is 33 And Product Is 792 Then The Smallest Number From These Numbers Is
(1) 4 (2) 8 (3) 11 (4) 14 Solution: Let a-d, a, a+d be the 3 numbers in AP. Sum... View Article
If The Sides Of A Right Angled Triangle Are In Ap Then The Sides Are Proportional To
(1) 1 : 2 : 3 (2) 2 : 3 : 4 (3) 3 : 4 : 5 (4) 4... View Article
If Log 2 Log 2n 1 And Log 2n Plus 3 Are In Ap Then N Equal
(1) 5/2 (2) log2 5 (3) log3 5 (4) 3/2 Solution: Given log 2, log(2n – 1) and log(2n +... View Article
If F X Plus Y X Y Equal Xy Then The Arithmetic Mean Of F X Y And F Y X Is
(1) x (2) y (3) 0 (4) 1 Solution: f (x + y, x – y) = xy Let x+y... View Article
The Mean Of The Series A A Plus Nd A Plus 2nd Is
(1) a + (n – 1) d (2) a + nd (3) a + (n + 1)d (4) None of... View Article
If A Be An Arithmetic Mean Between Two Numbers And S Be The Sum Of N Arithmetic Means Between The Same Numbers Then
(1) S = nA (2) A = nS (3) A = S (4) None of these Solution: Let a and... View Article
If The Sum Of The 10 Terms Of An Ap Is 4 Times To The Sum Of Its 5 Terms Then The Ratio Of First Term And Common Difference Is
(1) 1 : 2 (2) 2 : 1 (3) 2 : 3 (4) 3 : 2 Solution: Sn= (n/2)(2a+(n-1)d) Given... View Article
There Are 15 Terms In An Arithmetic Progression Its First Term Is 5 And Their Sum Is 390 The Middle Term Is
(1) 23 (2) 26 (3) 29 (4) 32 Solution: Given n = 15 a = 5 Sum, Sn = 390... View Article
The Number Of Terms Of The Ap 3 7 11 15 To Be Taken So That The Sum Is 406 Is
(1) 5 (2) 10 (3) 12 (4) 14 Solution: Given AP is 3,7,11,15.. Here a = 3 d = 7-3... View Article
If Sum Of N Terms Of An Ap Is 3n2 Plus 5n And Tm Equal 164 Then M Is Equal To
(1) 26 (2) 27 (3) 28 (4) None of these Solution: Given Sn = 3n2 + 5n S1 = 3... View Article
7th Term Of An Ap Is 40 Then The Sum Of First 13 Terms Is
(1) 53 (2) 520 (3) 1040 (4) 2080 Solution: Given a7 = 40 a+6d = 40 Sum of first 13... View Article
The Sum Of Numbers From 250 To 1000 Which Are Divisible By 3 Is
The sum of numbers from 250 to 1000 which are divisible by 3 is (1) 135657 (2) 136557 (3) 161575... View Article
If The Sum Of The First 2n Terms Of Ap 2 5 8 Is Equal To The Sum Of The First N Terms Of Ap 57 59 61 Then N Is Equal To
If the sum of the first 2n terms of A.P 2,5,8,… is equal to the sum of the first n... View Article
