# Arithmetic Aptitude Questions & Answers (Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)

• 80,76.5,69.5,59,48,27.5

• A27.5
• B59
• C76.5
• D48
• E69.5
• Explanation: • 445,444,436,409,343,220

• A409
• B343
• C436
• D444
• E220
• Explanation:

Solution,

445-13 =444

444-23 =436

436-33 =409

409-43 =345

345-53 =220

• 45,15,6,3,2,1,4

• A15
• B3
• C2
• D1
• E6
• Explanation:

Solution,

45÷3 = 15

15÷2.5 = 6

6÷2 = 3

3÷1.5 = 2

2÷1 = 2

2÷0.5 = 4

• 1,4,12,30,68,148,304

• A4
• B12
• C30
• D68
• E148
• Explanation: • 155,151,139,119,90,55

• A55
• B119
• C90
• D139
• E151
• Explanation: • 1576÷45.02+23.99×√255=?

• A340
• B420
• C380
• D460
• E360
• Explanation:

1576÷45.02+23.99×√255=?

⇒ 1576÷45+24×√255=?

⇒  35+24×16=?

⇒ 35+384=?

⇒ ?=419=420

• 1599÷39.99+4/5×2449-120.05=?

• A1680
• B1940
• C1640
• D1880
• E1780
• Explanation:

1599÷39.99+4/5×2449-120.05=?

⇒ 1600÷40+4/5×2450-120=?

⇒ 40+1960-120=?

⇒ 2000-120=?

⇒ ?=1880

• 1559.95-7.99×24.96-?2=1154

• A14
• B24
• C32
• D18
• E8
• Explanation:

1559.95-7.99×24.96-?2=1154

⇒  1560-8×25-?2=1154

⇒ 1560-200-?2=1154

⇒                 ?2=1360-1154

⇒                 ?2=206

⇒                 ?2=14