Numbers 105, 115, 125, ……985, 995 first number (a) = 105 The last number (8) = 995 All difference (d) =10 From the formula, nth term (Tn) = a + (n-1) d, 995=105+(n-1) 10 n = 90 Sum of n terms (Sn) =n/2 [2a+(n-1) d] 90/2[2 ×105+ (90-1)10] = 45 [210+890] = 45 × 1100 = 49500.
In this questions relationships between different elements is shown in the statements. These statements are followed by two conclusions. Give answer ...
A series is given with two terms missing. Choose the correct alternatives from the given ones that will complete the series.
32, 47, 34, ____, 36...
Which of the following is NOT an operating system?
If ‘L’ denotes ‘addition’, ‘M’ denotes ‘multiplication’, ‘N’ denotes ‘subtraction’, ‘P’ denotes ‘division’, then what wi...
Six persons H, I, J, K, L, and M are sitting in a row such that all are facing towards the north direction. M sits third to the right of L. One person s...
चिह्नों की जगह और दिए गए समीकरण को संतुलित करने के लिए गणि...
Statements:
Some drives are laptops.
All laptops are keyboards.
No keyboard is a computer.
Conclusions:
I. ...
1. Walls
2. Floor
3. Roof
4. Room
5. Foundation
6. Window
Select the option that is related to the third number in the same way as the second number is related to the first number:
21: 63 :: 36:?
Statement: The jurisdictional police has failed to arrest 26 convicts who are absconding after being released from prison on parole.
Courses ...
