Solved Maths Questions of LGS Stage 4

Dec 2024|🟢Current|5 min read|4 entries

Key Takeaway

This post contains detailed solution for Maths questions that were asked in the Kerala PSCLGS Stage 4(Alappuzha, Ernakulam, Kozhikode) 174/24, which was conducted on December 07, 2024.

Last verified: 12 Feb 2026·Source: www.pscarivukal.com

Solved Maths Questions of LGS Stage 4

This post contains detailed solution for Maths questions that were asked in the Kerala PSCLGS Stage 4(Alappuzha, Ernakulam, Kozhikode) 174/24, which was conducted on December 07, 2024.

The answers to the questions below are based on the provisional answer key published by Kerala PSC on December 7, 2024. Some of these answers are marked as incorrect and hopefully will be removed in the final answer key.

7 × 8 ÷ 2 ×14 + 32=56/2× 14 + 32=28× 14 + 32= 392 + 32= 392 + 9= 401

Solution∴The correct answer is 401, answer given in the provisional key is wrong.

72× 2 ÷ 2 × 7 =A) 7B)1C)4D) 2Explanation(4)

Solution∴ The height of the fifth person is 154 cm.5.41
30 + (45 + 7) × 7 =A) 441B)353C)375D)435Explanation:By BODMAS,   41 – 30 + (45 + 7) × 7  =  41 − 30 + 52 × 7=  41 − 30 + 364=  375Solution∴ The correct answer is 375.6
ഒരു കന്നുകാലി ചന്തയിൽ കുറെ പശുക്കളും മനുഷ്യരും ഉണ്ട്. ആകെ കാലുകൾ 70ഉംആകെ തലകൾ 30 ഉം ആണ്. മനുഷ്യരുടെ എണ്ണവും പശുക്കളുടെ എണ്ണവും തമ്മിലുള്ള വ്യത്യാസം എത്ര?A) 40B) 15C) 35D) 20Explanation:Let x= no. of cows and y = no. of peopleTotal no. of heads = x + y = 30 (given)  -------------------- ITotal no. of legs = 4x + 2y = 70 (given, cow = 4legs, people =2 legs) ---------- IIBy equation I,y = 30
x ------------- IIISubstituteequation III in II,4x + 2 (30 – x) = 704x + 60 – 2x = 702x = 10x = 5Substituting the value of x in equation III,y = 30 – xy = 30 – 5y = 25∴   No. of cows = 5 and no. of people = 25
Difference = 25
5 = 20Solution∴   The difference between no. of cows and no. of people is 20.13.(0.05)2× 1/20 =A)(0.25)2B)(0.05)3C)(0.05)2D)(0.25)3Explanation:(0.05)2= 0.00250.0025 × 1/20 = 0.000125 =(0.05)3Solution∴   Answer is Option B)(0.05)3.14.1, 2, 4, 8 എന്ന സംഖ്യാശ്രേണിയുടെ അടുത്ത പദം ഏത്?A) 10B) 12C) 16D)ഇവയൊന്നുമല്ലExplanation:2 / 1 = 2, 4 / 2 = 2, 8 / 2 = 4∴   16/ 2 = 8Solution∴    The answer is 16.15
രമയുടെയും ജയയുടെയും വയസുകളുടെ അംശബന്ധം 2:3 ആണ്. 5 വർഷം കഴിയുമ്പോൾ രമക്കു 24 വയസാകും. ജയയുടെ ഇപ്പോഴത്തെ വയസ്സ് എത്ര?A)27B) 30C) 28D)29Explanation:Given,Ratio of Rama's age and Jaya's age = 2:3.∴ Let 'x' be Rama's age and 'y' be  Jaya's age = 2x:3yAfter 5 years, Rama's age will be 24 years.∴   2x + 5 = 242x = 24−52x = 19x = 19/2x = 9.5∴   Rama is 9 and half years old, let's find Jaya's ageJaya's current age is 3x.∴   Jaya’s current age = 3 × 9.5 = 28.5Solution∴   The current age of Jaya is 28.5 years, the answer given is incorrect.16.1 + (2 × 3) ÷ 6
1 =A)0B) 2C)1D)ഇവയൊന്നുമല്ലExplanation:1 + (2 × 3) ÷ 6 – 1 = 1 + 6/6 – 1= 1 + 1– 1= 1Solution∴   The answer is C) 1.17.11 : 132 = 22 : ____A)220B)154C)143D)264Explanation:11 : 132 = 22 : x11/132 = 22/x11x = 132 × 22x = (132 × 22) / 11x = 264Solution∴   The answer is D) 264.18