If x:y = 1:3, then the ratio (7x²+3xy) : (2xy+y²) is

If a man increases his speed by 25%, he takes 1 hour less to cover a certain distance. What was the original time? JKSSB Laboratory Attendant 2026 Written · Maths Identify the single correct statement regarding the properties of HCF and LCM:   JKSSB Social Forest Worker 2026 Written · Maths In a national competitive examination, 35% of the total candidates were girls. The results revealed the following: 75% of the boys passe... JKSSB Social Forest Worker 2026 Written · Maths A television manufacturer earns 20% profit by selling each T.V. set for Rs. 14400. If the production cost is increased by 15%, what shoul... JKSSB JKP Constable 2024 Written · Maths A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability of drawing a number which is a square, is JKSSB Laboratory Attendant 2026 Written · Maths