Product Price Quantity Subtotal 1 to 8 Number Puzzle ₹240.00 1 to 8 Number Puzzle quantity ₹240.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹660.00 9% CGST ₹59.40 9% SGST ₹59.40 Total ₹779.00 Continue Shopping Checkout