Maths

Question: If 5 kg of grapes cost $25, how much will 15 kg cost?(A) $60(B) $65(C) $70(D) $75 Solution: Step 1: Find the cost per kg of grapes.Cost per kg= 25dollars⁄5kg = 5dollars/kgStep 2: Use the unitary method to find the cost of 15 kg.Cost of 15 kg=15kg×5dollars/kg=75dollars . ​ Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: If 8 men can complete a project in 24 days, how many men are required to complete the project in 16 days?(A) 10 men(B) 11 men(C) 12 men(D) 13 men Solution: Step 1: Determine the total amount of work (man-days) required to complete the project.Total work=8men×24days=192man-daysStep 2: Use the unitary method to find how many

Question: A pattern consists of 12 overlapping dodecagons arranged symmetrically. How many lines of symmetry does this pattern have?(A) 12(B) 24(C) 36(D) 48 Solution: The pattern with 12 overlapping dodecagons has 12 lines of symmetry, each passing through the central point and dividing the pattern symmetrically.Therefore, the correct answer is (A) 12. ​ Our Social

Question: In a survey, 10 students scored between 70–80, 20 students scored between 80–90, and 15 students scored between 90–100. What is the cumulative frequency for scores between 80 and 100?(A) 35(B) 30(C) 25(D) 20 Solution: The cumulative frequency for scores between 80 and 100 includes the students who scored between 80–90 and 90–100.Cumulative Frequency=20+15=35Therefore, the

Question: A bottle is 9⁄10 full of syrup. If 2⁄5 of this syrup is used, what fraction of the bottle’s total capacity is used?(A) 9⁄25(B) 2⁄5(C) 12⁄25(D) 4⁄5 Solution: Find the fraction of the bottle’s total capacity used:2⁄5 × 9⁄10 = 18⁄50 = 9⁄25So, 9⁄25 of the bottle’s total capacity is used. ​ Our Social

Question: A store sells two types of pens: regular pens for $2 each and fancy pens for $5 each. If Sarah buys 3 regular pens and 4 fancy pens, how much does she spend in total?(A) $26(B) $28(C) $30(D) $32 Solution: The total cost is calculated as follows:Cost=3×2+4×5=6+20=26 dollars ​ Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: A regular snub cube has 38 faces, consisting of 6 square faces and 32 equilateral triangles. How many planes of symmetry does it have?(A) 6(B) 12(C) 18(D) 30 Solution: A regular snub cube has 6 planes of symmetry, each passing through opposite faces or vertices.Therefore, the correct answer is A) 6. ​ Our Social

Question: A store offers a 15% discount on a product originally priced at $80. What is the discounted price?(A) $68(B) $70(C) $72(D) $75 Solution: To find the discounted price, calculate 15% of $80 and subtract it from the original price.15% of 80=15⁄100 × 80 = 12Discounted price=80−12=68 ​ Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: A fast-food restaurant sells burgers for $5 each and fries for $3 each. If a group orders 6 burgers and 8 fries, what is the total cost?A) $ 50B) $ 65C) $ 54D) $ 66 Solution: The cost of 6 burgers:6×5=30 dollarsThe cost of 8 fries:8×3=24 dollarsTotal cost:30+24=54 dollars ​ Our Social Media Presence

Question: A pattern consists of 6 overlapping stars arranged symmetrically. How many lines of symmetry does this pattern have?A) 6B) 12C) 18D) 24 Solution: The pattern with 6 overlapping stars has 6 lines of symmetry, each passing through the central point and dividing the pattern symmetrically. ​ Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy