## Amar Sir is teaching live on Unacademy Plus

A renowned faculty of Objective Mathematics GD/Personal Interview General Studies Indian History mar Sir An experience of 24 yrs of teaching at Jamshedpur, Ranchi, Bokaro and Sambalpur More than a thousand successful students in Bank/SSC/Railway/Civil Services The slogan is:"Math Dikhta Hai"

BANK PO MATHEMATICS Number Series

Number Series CONCEPT BY AMAR SIR

Number Series: Concept: Slope Method Maximum slope Type IV Mean slope B Type II ! Medium slope Type 1 Minimum slop Y Pe

TYPE-I What will come in place of the question mark in the following number series?

1. 114 115 107 134 70? (1) 140 (2)35 (3)195 (4)150 (5)None of these Solution: +1 +1-8 t27-64 t125 1.114 115 104 134 70 2:195 So, answer is (3) 195

2. 2 6 33 49 174 210? (1) 553 (2) 259 (3) 426 (4) 274 (5) None of these Solution: n. +4 +27 16 12s+36 +343 33 49 144 2102:553 o Anno. So, answer is (1) 553

3. 64 128 92 220 148 404 ? (1) 332 (2) 296 (3) 276 (4) 260 (5) None of these Solution: 2 2 x2 +69 -36 +/28 72 +256 144 3. 64 128 92 220 18 4oU 2260 +28 112 +92 +184 So, answer is (4) 260

4. 2 (1) 2386 (2) 3540 (3)2820 (4)3236 (5)None of these Solution: 21 138 705 2 4. 2 21 3 3-2336 Hmm So, answer is (5) None of these

5. 9?20 31 51 82 133 (1) 13 (2) 18 (3) 12 (4) 15 (5) None of these Solution: 5. 9 2 20 31 51 82 133 gt2-20 2+21:31 20+31251 So, answer is (5) None of these